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Note 21 - Subsequent Events (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Mar. 13, 2023
Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)   689,406
Share-Based Payment Arrangement, Employee [Member] | Subsequent Event [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 1,125,374  
Share-Based Payment Arrangement, Employee [Member] | Subsequent Event [Member] | Restricted Stock Units (RSUs) [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares) 6,349,464  
Share-Based Payment Arrangement, Employee [Member] | Subsequent Event [Member] | RSU and Option [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Including Options, Grants in Period, Fair Value $ 29.6